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3 × 30 MW English Electric, 1 generating at 11 kV, 2 at 33 kV, the first machine was the two-cylinder impulse-reaction type, with double-flow exhaust, 3,000 rpm. 2 × 1 MW Allen-GEC auxiliary sets, 400 V. The total installed generating capacity was 155 MW, and the output capacity was 144 MW. [8]
Displacement was 1,610 tons standard, 2,030 tons full load when surfaced, and 2,410 tons full load when submerged. [3] Propulsion machinery consisted of 2 Admiralty Standard Range 16 VMS diesel generators, and two 3,000 shaft horsepower (2,200 kW) electric motors, each driving a 7-foot diameter (2.1 m) 3-bladed propeller at up to 400 rpm. [3]
Some very long stroke engines have a maximum speed of around 80 rpm. The largest, most powerful engines in the world are slow speed, two stroke, crosshead diesels. Medium speed: any engine with a maximum operating speed in the range 300–1000 rpm. Many modern four-stroke medium speed diesel engines have a maximum operating speed of around 500 rpm.
Four marine scientists piloted a rowboat 3,000 miles across the Atlantic. They faced stormy weather, chaotic seas, and equipment that kept breaking down. 3,000 Miles in a Tiny Boat on the High ...
Displacement was 1,610 tons standard, 2,030 tons full load when surfaced, and 2,410 tons full load when submerged. [2] Propulsion machinery consisted of 2 Admiralty Standard Range 16 VMS diesel generators, and two 3,000 shaft horsepower (2,200 kW) electric motors, each driving a 7-foot diameter (2.1 m) 3-bladed propeller at up to 400 rpm. [2]
This provides maximum performance at lower revolutions per minute (rpm), reduces fuel consumption and emits lower levels of harmful emissions. The engine has crosshead bearings so the always-vertical piston rods create a tight seal under the pistons .
The twin produced 3/4 bhp at 3000 rpm, and 1.3 bhp at 4200 rpm, weight 7.5 lb including the flywheel. The single weighed 4.25 lb and produced 0.6 bhp at 4500 rpm. In the 1938/1939 Stuart Turner catalogue the air-cooled version of the twin-cylinder engine was also available with 1.5-inch bore and 1.75-inch stroke, giving 74 cc.
The quadrant angle is 85°, the weight of the projectile is 6 kg (13 lb), the range is 16 km (9.9 mi) and the rate of fire is 85 rounds per minute (RPM). There are also two single Oerlikon 20 mm cannon with a range of 2 km (1.2 mi) and rate of fire of 900 RPM and one double (or quadruple) station for M2 Browning machine guns .